CVE-2022-3166: rockwell automation micrologix 1100

Vulnerability summary

CVE-2022-3166 is a high (CVSS 7.5) vulnerability in rockwell automation micrologix 1100. EPSS estimates a 0.72% chance of exploitation in the next 30 days, higher than 53.2% of scored vulnerabilities.

Timeline

1. 16-12-2022
   PublishedVulnerability first disclosed.
2. 17-04-2025
   Last modifiedVulnerability information updated.

Description

Rockwell Automation was made aware that the webservers of the Micrologix 1100 and 1400 controllers contain a vulnerability that may lead to a denial-of-service condition. The security vulnerability could be exploited by an attacker with network access to the affected systems by sending TCP packets to webserver and closing it abruptly which would cause a denial-of-service condition for the web server application on the device

• CWE-924Improper Enforcement of Message Integrity During Transmission in a Communication ChannelThe product establishes a communication channel with an endpoint and receives a message from that endpoint, but it does not sufficiently ensure that the message was not modified during transmission.